Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753226AbaBRVQn (ORCPT ); Tue, 18 Feb 2014 16:16:43 -0500 Received: from merlin.infradead.org ([205.233.59.134]:35688 "EHLO merlin.infradead.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752128AbaBRVJJ (ORCPT ); Tue, 18 Feb 2014 16:09:09 -0500 From: Arnaldo Carvalho de Melo To: Ingo Molnar Cc: linux-kernel@vger.kernel.org, Borislav Petkov , David Ahern , Jiri Olsa , Namhyung Kim , Peter Zijlstra , Robert Richter , Arnaldo Carvalho de Melo Subject: [PATCH 20/32] perf tools: Drop prefetch.h Date: Tue, 18 Feb 2014 18:08:39 -0300 Message-Id: <1392757731-32619-21-git-send-email-acme@infradead.org> X-Mailer: git-send-email 1.8.1.4 In-Reply-To: <1392757731-32619-1-git-send-email-acme@infradead.org> References: <1392757731-32619-1-git-send-email-acme@infradead.org> X-SRS-Rewrite: SMTP reverse-path rewritten from by merlin.infradead.org See http://www.infradead.org/rpr.html Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Borislav Petkov This was needed at the time before e66eed651fd1 ("list: remove prefetching from regular list iterators") where the list iterators did prefetch elements. This turned out to be counter-productive and hurt performance and they were removed. Which makes the prefetch.h header unused so drop it. Signed-off-by: Borislav Petkov Cc: David Ahern Cc: Ingo Molnar Cc: Jiri Olsa Cc: Namhyung Kim Cc: Peter Zijlstra Cc: Robert Richter Link: http://lkml.kernel.org/r/1391611914-26054-4-git-send-email-bp@alien8.de Signed-off-by: Arnaldo Carvalho de Melo --- tools/perf/Makefile.perf | 1 - tools/perf/util/include/linux/list.h | 1 - tools/perf/util/include/linux/prefetch.h | 6 ------ 3 files changed, 8 deletions(-) delete mode 100644 tools/perf/util/include/linux/prefetch.h diff --git a/tools/perf/Makefile.perf b/tools/perf/Makefile.perf index 496871ae4590..77b153fa23a5 100644 --- a/tools/perf/Makefile.perf +++ b/tools/perf/Makefile.perf @@ -219,7 +219,6 @@ LIB_H += util/include/linux/kernel.h LIB_H += util/include/linux/list.h LIB_H += util/include/linux/export.h LIB_H += util/include/linux/poison.h -LIB_H += util/include/linux/prefetch.h LIB_H += util/include/linux/rbtree.h LIB_H += util/include/linux/rbtree_augmented.h LIB_H += util/include/linux/string.h diff --git a/tools/perf/util/include/linux/list.h b/tools/perf/util/include/linux/list.h index 1d928a0ce997..bfe0a2afd0d2 100644 --- a/tools/perf/util/include/linux/list.h +++ b/tools/perf/util/include/linux/list.h @@ -1,5 +1,4 @@ #include -#include #include "../../../../include/linux/list.h" diff --git a/tools/perf/util/include/linux/prefetch.h b/tools/perf/util/include/linux/prefetch.h deleted file mode 100644 index 7841e485d8c3..000000000000 --- a/tools/perf/util/include/linux/prefetch.h +++ /dev/null @@ -1,6 +0,0 @@ -#ifndef PERF_LINUX_PREFETCH_H -#define PERF_LINUX_PREFETCH_H - -static inline void prefetch(void *a __attribute__((unused))) { } - -#endif -- 1.8.1.4 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/